403963240

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{10009}}^1$

素因数の和:11029

約数の個数: 32

約数和(自身を含む): 909909000

約数和(自身を除く): 505945760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 8072, 10009, 10090, 20018, 20180, 40036, 40360, 50045, 80072, 100090, 200180, 400360, 10099081, 20198162, 40396324, 50495405, 80792648, 100990810, 201981620, 403963240]

約数ペア:

[(1, 403963240), (2, 201981620), (4, 100990810), (5, 80792648), (8, 50495405), (10, 40396324), (20, 20198162), (40, 10099081), (1009, 400360), (2018, 200180), (4036, 100090), (5045, 80072), (8072, 50045), (10009, 40360), (10090, 40036), (20018, 20180)]